4) Ashmead, W. H. Classification of the chalcid flies or the superfamily Chalcidoidea, with descriptions of new species in the Carnegie Museum collected in South America by Herbert H. Smith. March 1904. 9 pls. v-xi +225-551.

1) Hatcher, J. B Osteology of Haplocanthosaurus, with description of a new species, and remarks on the probable habits of the Sauropoda and the age and origin of the Alantosaurus beds. 6 pls. 30 figs. pp. 1-75.

6) Holland, W. J. The osteology of Diplodocus Marsh with special reference to the restoration of the skeleton of Diplodocus carnegiei Hatcher, presented by Mr. Andrew Carnegie to the British Museum, May 12, 1905. 8 pls. 30 figs. pp. 225-278

2) Holland, W. J., and O. A. Peterson. The osteology of the Chalicotheroidea with special reference to a mounted skeleton of Moropus elatus Marsh, now installed in the Carnegie Museum. January 1914. 30 pls. pp. 189·406.

Eigenmann, C. H. The freshwater fishes of British Guiana, including a study of the ecological grouping of species and the relation of the fauna of the plateau to that of the lowlands. June 1912. 103 pls. 39 figs. pp. 1-578.

1) Eigenmann, C. H. The fishes of western South America. Part I. The fresh-water fishes of northwestern South America, including Colombia, Panama, and the Pacific slopes of Ecuador and Peru, together with an appendix upon the fishes of the Rio Meta in Colombia. October 1922. 38 pls. 21 figs. 3 appendices. pp. 1-346.

2) Drake, C. J. Neotropical Tingitidae with descriptions of three new genera and thirty-two new species and varieties (Hemiptera). October 1922. 1 pl. 2 figs. pp. 351-378.

4) Gilmore, C. W. Osteology of ornithopodous dinosaurs from Dinosaur National Monument, Utah. Part I. On a skeleton of Camptosaurus medius Marsh. Part II. On a skeleton of Dryosaurus altus Marsh. Part III. On a skeleton of Laosauruls gracilis Marsh. 1 pl. pp. 385-410.